Doctor profile · Federal record
Dr. Nader Ismail, DO
Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Merrillville, IN
- NPI 1689135618
- Accepts Medicare
- 7 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
90 W 86Th Ave
Merrillville, IN 464107086
(219) 791-1555 - Additional location
-
5615 US Highway 6
Portage, IN 463685213
(219) 462-6001 - Mailing address
-
120 W 22Nd St
Oak Brook, IL 605231557
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- June 19, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Indiana #02007817A · Illinois #036.161002
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689135618. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$226
Transactions
9
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Mallinckrodt Hospital Products INC. | 2 | $57.28 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $31.51 | |
| Otsuka America Pharmaceutical, INC. | 1 | $28.25 | |
| Travere Therapeutics, INC. | 1 | $25.69 | |
| Ardelyx, INC. | 1 | $24.06 | |
| Opko Pharmaceuticals, LLC | 1 | $20.93 | |
| Otsuka Pharmaceutical Development & Commercialization, INC. | 1 | $19.80 | |
| Fresenius USA Marketing, INC. | 1 | $18.66 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Nader Ismail's medical specialty?
Dr. Nader Ismail practices Nephrology Physician in Merrillville, IN.
Where does Dr. Nader Ismail practice?
Dr. Nader Ismail practices at 90 W 86Th Ave, Merrillville, IN 464107086. Office phone: 2197911555.
What is Dr. Nader Ismail's NPI?
Dr. Nader Ismail's National Provider Identifier (NPI) is 1689135618, issued by NPPES.
Does Dr. Nader Ismail accept Medicare assignment?
Yes. Dr. Nader Ismail accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.